Windows Phone 7 users who were anticipating the arrival of a flock of Angry Birds next week will have to wait a bit longer for their migration.

WinRumors reports that the popular game will arrive on Microsoft's new mobile platform June 29 instead of May 25. That was the latest date Microsoft had offered for the game's arrival, at its MIX conference in April.

It's not clear what the holdup is this time.

Microsoft has been promising Angry Birds, the No. 1 game on Apple's iOS platform, since last fall, when it erroneously said the game would be on WP7, before actually running that by the game makers at Rovio.

The two companies eventually got on the same page and said in February the game would arrive by spring.

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Erica Ogg is a CNET News reporter who covers Apple, HP, Dell, and other PC makers, as well as the consumer electronics industry. She's also one of the hosts of CNET News' Daily Podcast. In her non-work life, she's a history geek, a loyal Dodgers fan, and a mac-and-cheese connoisseur.
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